Which of the following is a correct description of the earth’s physical structure? a. the earth’s physical structure is made of liquid metal. c. the earth’s physical structure is made of water. b. the earth’s physical structure is made of several spheres. d. the earth’s physical structure is made of several layers.

d. The Earth’s physical structure is made of several layers.

Explanation:

The physical structure of the Earth is formed by the various zones and layers. The layers have both physical and chemical composition and properties.  The Earth has a solid layer called the continental crust made up of plate tectonics and is lighter elements and has a highly dense layer called the mantle below it and a liquid layer that surrounds the outer part of the core and a solid center that is called as the inner core.